From owner-freebsd-questions@FreeBSD.ORG Mon Mar 28 00:29:00 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A1D616A4CE for ; Mon, 28 Mar 2005 00:29:00 +0000 (GMT) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.FreeBSD.org (Postfix) with ESMTP id 283BB43D46 for ; Mon, 28 Mar 2005 00:29:00 +0000 (GMT) (envelope-from list-freebsd-2004@morbius.sent.com) Received: from frontend3.messagingengine.com (frontend3.internal [10.202.2.152]) by frontend1.messagingengine.com (Postfix) with ESMTP id 70792C65175 for ; Sun, 27 Mar 2005 19:28:58 -0500 (EST) X-Sasl-enc: Al72suV5bU7NltIXuqrT7g 1111969738 Received: from gumby.localhost (dsl-80-41-75-20.access.as9105.com [80.41.75.20]) by frontend3.messagingengine.com (Postfix) with ESMTP id 6A96D25535 for ; Sun, 27 Mar 2005 19:28:58 -0500 (EST) From: RW To: freebsd-questions@freebsd.org Date: Mon, 28 Mar 2005 01:28:56 +0100 User-Agent: KMail/1.8 References: <200503272151.06216.list-freebsd-2004@morbius.sent.com> <1162017909.20050327233328@wanadoo.fr> In-Reply-To: <1162017909.20050327233328@wanadoo.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200503280128.57367.list-freebsd-2004@morbius.sent.com> Subject: Re: hyper threading. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Mar 2005 00:29:00 -0000 On Sunday 27 March 2005 22:33, Anthony Atkielski wrote: > RW writes: > > Multiple processors can run multiple processes at the same time. A HT > > processor can only run two threads from the same process. > > This is incorrect. HT processors don't care where the threads come > from; it is possible to run threads from two completely different > processes on the same HT processor. But what would be the point, that's slower than running with HT turned-off.